biomass

The definition of biomass is a renewable energy source from living or recently living plant and animal materials which can be used as fuel.

(noun)

  1. An example of biomass is plant material that produces electricity with steam.
  2. An example of biomass is animal fossil fuel.

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See biomass in Webster's New World College Dictionary

noun

the total mass or number of living organisms in a particular area or volume

Origin: bio- + mass

See biomass in American Heritage Dictionary 4

noun
  1. The total mass of living matter within a given unit of environmental area.
  2. Plant material, vegetation, or agricultural waste used as a fuel or energy source.

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